Hyunjin and Felix are vampires, to put it simply. They live alongside fellow vampires and friends Chan, Changbin and Seungmin. All five of them already know that they have soulmates. One of their friends, Changbin, already met his soulmate, a human named Han Jisung. Hyunjin and Felix are also soulmates, but they knew for a fact that they were missing a piece of them Y/n is a human. She works at a cafe along with her three best friends, Minho, Han and I.N. All four are aware that vampires exist. They've met Han's boyfriend when he comes and visits them at the cafe. The four of them live together and have been friends for years. One day, Changbin brings his friends to the cafe to show them the little spot and so he can see his boyfriend. What happens when four out of the five vampires find their soulmates at the cafe that night?